Green coloring-matter containing sulfur.



' t dyes ff 1t and.

. ulsphe- 3 1 chlorin, 6G .ajoyhe'nols can of smiium e tempera Um lrcac'bmn can be 6 s'nflfur dyes mves of len- 25 (in which X means a phenolic the comaspo fling indophenol "an also be carried out With 1 copper or a copper m.

The new (has a -3 pnlverizecl tion of 50551 coloration and ccnt'rated $111., colm'utinn. distinguished and to light.

In cram frilly the parts being I sodium 511111! ((30 pay cent of sulful, aris of tbs k (Obtained from the lens low 01 5 rived from LS-nafhthyhen '1 @364. G1 I l, which 80 a5. dmsk on of s0- en celorw "n concenmxislyblue 35 Had mtton boiling,

m1 S01E41 gen 7 lub'le mm (row 11th greenisnlohle item *1 ed with in a vesse? prov The alcohol. is man distjfi is dissolved in. Water- :11; Y latecTfrom its solution b air or acid. The after leing dried nnwder salable in 2;

lzed a dark powder soluble in a sodium sulfid solution with av dark green coloration; soluble with clifiiculty in concentrated sulfuric acid With a greenish-blue coloration; and dyeing unmordanted cotton in pure green shades fast to light andto boiling, substantially as described. v

- In testimony whereof We have hereunto set our hands in the presence of two subscrlbmg wltnesses.

ALBERT NUFER, GUSTAVE NAVARRETE. 

